Thanks, Lee, since I hardly ever get spam, I kept wondering who was so kind to me , because everybody seems to complain of getting too much of it. Marta
On Jan 7, 2006, at 20:52, Lee Larson wrote: > On Jan 7, 2006, at 8:22 PM, Marta Edie wrote: > >> And here comes my question on junk mail again : In the mail >> preferences under junk mail where it lets you check a box to trust >> the filters set by your ISP , does this mean that if you click in >> that box, that it overrides your own junk filtering settings or do >> they go hand in hand , and what does Insight filter out, ( my >> provider) or how good is it in filtering ? If anybody has an >> inkling, please let me know. ( I am using Apple's mail, but it still >> comes through Insight, except my .mac webmail, I suppose when I am >> not at home. > > Some ISPs have a service where they scan your mail as they see it for > viruses. If the scanner thinks a message is infected, it will add a > field to the header of the message saying that it might be spam. Since > you rarely look at the headers of a message, this is a fairly > invisible place to put it. Apple's mail program knows to look for > these types of header entries, and it can automatically route messages > marked as spam into your junk mailbox. > > For example, I run a free open source spam program called SpamAssassin > on erdos. Almost all my spam gets caught before it's downloaded. It > marks the headers on spam as follows. > > X-Spam-Prev-Subject: Amazing, Martin > X-Spam-Flag: YES > X-Spam-Checker-Version: SpamAssassin 3.0.4 (2005-06-05) on > erdos.math.louisville.edu > X-Spam-Level: ************************************* > X-Spam-Status: Yes, score=37.8 required=4.0 tests=BAYES_99, > DNS_FROM_RFC_BOGUSMX,DNS_FROM_RFC_POST,DRUGS_ERECTILE, > HELO_DYNAMIC_IPADDR,HTML_MESSAGE,PYZOR_CHECK,RCVD_IN_BL_SPAMCOP_NET, > RCVD_IN_DSBL,RCVD_IN_NJABL_DUL,RCVD_IN_SORBS_DUL,RCVD_IN_XBL, > URIBL_AB_SURBL,URIBL_JP_SURBL,URIBL_OB_SURBL,URIBL_SC_SURBL, > URIBL_WS_SURBL autolearn=spam version=3.0.4 > X-Spam-Report: > * 4.4 HELO_DYNAMIC_IPADDR Relay HELO'd using suspicious hostname (IP > addr 1) > * 0.0 HTML_MESSAGE BODY: HTML included in message > * 3.5 BAYES_99 BODY: Bayesian spam probability is 99 to 100% > * [score: 1.0000] > * 3.5 PYZOR_CHECK Listed in Pyzor (http://pyzor.sf.net/) > * 3.1 RCVD_IN_XBL RBL: Received via a relay in Spamhaus XBL > * [24.8.156.123 listed in sbl-xbl.spamhaus.org] > * 2.6 DNS_FROM_RFC_BOGUSMX RBL: Envelope sender in > bogusmx.rfc-ignorant.org > * 2.0 RCVD_IN_SORBS_DUL RBL: SORBS: sent directly from dynamic IP > address > * [24.8.156.123 listed in dnsbl.sorbs.net] > * 3.8 RCVD_IN_DSBL RBL: Received via a relay in list.dsbl.org > * [<http://dsbl.org/listing?24.8.156.123>] > * 1.2 RCVD_IN_BL_SPAMCOP_NET RBL: Received via a relay in > bl.spamcop.net > * [Blocked - see <http://www.spamcop.net/bl.shtml?24.8.156.123>] > * 1.6 DNS_FROM_RFC_POST RBL: Envelope sender in > postmaster.rfc-ignorant.org > * 0.1 RCVD_IN_NJABL_DUL RBL: NJABL: dialup sender did non-local SMTP > * [24.8.156.123 listed in combined.njabl.org] > * 0.4 URIBL_AB_SURBL Contains an URL listed in the AB SURBL blocklist > * [URIs: rootdudealltime.info] > * 2.5 URIBL_JP_SURBL Contains an URL listed in the JP SURBL blocklist > * [URIs: rootdudealltime.info] > * 1.5 URIBL_WS_SURBL Contains an URL listed in the WS SURBL blocklist > * [URIs: rootdudealltime.info] > * 3.2 URIBL_OB_SURBL Contains an URL listed in the OB SURBL blocklist > * [URIs: rootdudealltime.info] > * 4.3 URIBL_SC_SURBL Contains an URL listed in the SC SURBL blocklist > * [URIs: rootdudealltime.info] > * 0.2 DRUGS_ERECTILE Refers to an erectile drug > > The headers give the verdict and why it's likely spam. If the header > X-Spam-Flag: YES appears, the mail is magically shunted off to the > junk box. SpamAssassin is very effective. It catches 99% or more of my > spam, and I get a lot of spam. > > I believe Insight sells a service similar to this for $30/year. > > > | The next meeting of the Louisville Computer Society will > | be January 24 at Pitt Academy, 6010 Preston Highway. > | The LCS Web page is <http://www.kymac.org>. > | List posting address: <mailto:macgroup at erdos.math.louisville.edu> > | List Web page: <http://erdos.math.louisville.edu/macgroup> -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: text/enriched Size: 4364 bytes Desc: not available Url : http://www.math.louisville.edu/pipermail/macgroup/attachments/20060107/7d98b057/attachment.bin
